Smart Home Component Metadata Detection by Synchronized Sensor Signals

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Solution Overview

Problem

Manual recording of metadata for smart home components is time-consuming and error-prone, making it inefficient for reliable control of smart home devices across multiple rooms.

Innovation Solution

A computer-implemented method using a control unit or server to cause a measurable state change in smart home components and synchronize sensor data acquisition, employing various sensors to determine the component's location within a building by detecting changes such as optical, acoustic, or ultrasonic signals, with a mobile sensor unit like a cleaning robot to efficiently record and store metadata.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of manufacture

If manual recording of metadata is used for smart home components, then the process is simple to implement, but it is time-consuming and error-prone

Engineering Contradiction:
Improveease of implementationVSAvoidconfiguration speed
Core Design Contradiction:
Ease of manufactureVSProductivity

Solution Approach 1:

The system enables automatic self-configuration of smart home components by having components autonomously report their metadata (room, floor, position) to the control unit, eliminating the need for manual user input while maintaining implementation simplicity

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The patent replaces the manual mechanical process of recording metadata with an automated electronic system where components communicate their location data through wireless communication protocols, significantly increasing configuration speed

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

2Ease of manufacture

If manual recording of metadata is used for smart home components, then the system setup is straightforward, but it is error-prone

Engineering Contradiction:
Improveease of setupVSAvoidaccuracy of metadata
Core Design Contradiction:
Ease of manufactureVSReliability

Solution Approach 1:

Components automatically provide their own metadata information directly from their embedded identifiers and location data, eliminating human transcription errors while keeping the setup process straightforward

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The control unit receives and verifies metadata from components through automated feedback loops, ensuring data accuracy and consistency without requiring manual verification

Inventive Principle:
Principle #23Feedback

3Extent of automation

If a mobile sensor unit is used to detect state changes, then automatic metadata determination is achieved, but the system complexity increases

Engineering Contradiction:
Improveautomation of metadata determinationVSAvoidsystem complexity
Core Design Contradiction:
Extent of automationVSDevice complexity

Solution Approach 1:

The control unit performs multiple functions including component registration, metadata storage, state change detection, and sensor data processing within a single integrated system, avoiding the need for separate dedicated hardware for each function

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

The system uses existing wireless communication protocols and standard sensor interfaces as intermediaries between components and the control unit, reducing the need for custom complex communication hardware

Inventive Principle:
Principle #24Intermediary (Mediator)

4Reliability

If synchronized sensor data acquisition is used to detect state changes, then reliable location determination is achieved, but the measurement requirements become more complex

Engineering Contradiction:
Improvereliability of location determinationVSAvoidcomplexity of sensor detection
Core Design Contradiction:
ReliabilityVSDifficulty of detecting and measuring

Solution Approach 1:

The system uses periodic state changes (components switching on/off at scheduled intervals) combined with synchronized sensor data acquisition to reliably detect component locations without requiring complex continuous monitoring

Inventive Principle:
Principle #19Periodic action

Solution Approach 2:

The patent utilizes optical signal changes (analogous to color changes) where components emit or reflect light that sensors detect, providing reliable location determination through simple optical detection rather than complex measurements

Inventive Principle:
Principle #32Color changes

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

Enables automatic and reliable determination of metadata for smart home components, reducing manual configuration time and errors, allowing for efficient and convenient control of devices across multiple rooms.

Implementation Method 1

employing various sensors to determine the component's location within a building by detecting changes such as optical, acoustic, or ultrasonic signals

Methodology Applied
Scientific EffectOptical detection: Light

Implementation Method 2

employing various sensors to determine the component's location within a building by detecting changes such as optical, acoustic, or ultrasonic signals

Methodology Applied
Scientific EffectAcoustic detection: Sound

Implementation Method 3

employing various sensors to determine the component's location within a building by detecting changes such as optical, acoustic, or ultrasonic signals

Methodology Applied
Scientific EffectUltrasonic detection: Ultrasound

Data Source

PatentEP3821314B1Method and device for detecting metadata for smart home components
Publication Date: 2023.03.08 BSH HAUSGERATE GMBH
  • EP3821314B1 patent drawingFigure 1a~1b
  • EP3821314B1 patent drawingFigure 2~3
  • EP3821314B1 patent drawingFigure 4

AI summary

The invention relates to a method (400) for detecting metadata for a controllable component (202) in a building (200) having a plurality of different rooms (201). The method (400) comprises effecting (401) a measurable change in state of the controllable component, and detecting (402) sensor data in a first room (201) of the building (200). Furthermore, the method (400) comprises determining (403) on the basis of the sensor data, whether or not the controllable component (202) is located in the first room (201), and the storing (404) of metadata for the controllable component (202), which indicate that the controllable component (202) is located in the first room (201), if on the basis of the sensor data it was determined (403) that the controllable component (202) is located in the first room (201).